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isotone

[ahy-suh-tohn]

i·so·tone

[ahy-suh-tohn]
noun Physics.
one of two or more atoms having an equal number of neutrons but different atomic numbers.

Origin:
1930–35; iso- + tone
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Isotone is always a great word to know.
So is acoustics. Does it mean:
a sequence of changing states that produces a final state identical to the original one; one of a succession of periodically recurring events
the branch of physics that deals with sound and sound waves
Collins
World English Dictionary
isotone (ˈaɪsəˌtəʊn)
 
n
one of two or more atoms of different atomic number that contain the same number of neutrons

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

isotone i·so·tone (ī'sə-tōn')
n.
One of two or more atoms whose nuclei have the same number of neutrons but different numbers of protons.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Britannica
Encyclopedia

isotone

any of two or more species of atoms or nuclei that have the same number of neutrons. Thus, chlorine-37 and potassium-39 are isotones, because the nucleus of this species of chlorine consists of 17 protons and 20 neutrons, whereas the nucleus of this species of potassium contains 19 protons and 20 neutrons.

Learn more about isotone with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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